Motor and housing assembly



Oct. 19, 1937. ENEWNHAM E1- AL 2,096,618

{ io'ron Aun xousme ASSEMBLY n ledygmh A2, 1937 if ze Patented Oct. 19, 193.7

f UNITED STATES PATENT OFFICEl MOTOR AND HOUSING ASSEMBLY Application March 2, 1937, Serial No. 128,620

14 Claims.

An object of our invention is to provide a arm being plvoted to a base 24 and the mixing housing for a motor, the housing being comparatively simple and inexpensive from a manufacturing standpoint.

Still a flurther object is to provide a housing comprising a shell and a pair of end caps, and to connect .the end caps and position them relative to the casing in\a, novel manner.

Still another object is 'to provide trim elements associated withthe shell and end caps, which are so designed that they serve the purpose of positioning one of the end caps while at the same time such end cap serves to retain the trim elements in their assembled position.

More particularly it is our object to provide a shell and end caps constituting a housing for a motor and to provide trim elements which extend along the exterior of the shell and have odset ends extending over the edges of the shell and termi-A nating within the end caps.

With these and other objects in view, our invention consists in the construction, arrangement and combination of the various parts of our motor and housing assembly, whereby the objects contemplated are attained, as hereinafter more fully set forth, pointed out in our claims, and illustrated in the accompanying drawing, in which:

, Figure l is a side elevation of a food mixer showing our motor and housing assembly used in connection therewith.

' Figure 2 is a perspective view oi a trim. element constituting a part ot our housing assembly.

Figure 3 is an enlarged sectional view on the line 3-3 of Figure 1, showing the parts being assembled.

Figure 4 is an enlarged sectional'view on the line 4-4 of Figure 1, showing one of .the initial steps or assembling our housing.

Figure 5 is a sectional view on the line 5-5 of Figure 3, showing how portions of our assembly are associated relative to each other; and

Figure 6 is a sectional view on the line S-l of Figure 1.

0n the accompanying drawing, we have used the reference character M to indicate generally a motor. The motor M is of usual construction comprising tleld laminations I0, an armture IL' a iframe i4 and end heads -IS and i8. The end heads il contain suitable gearing for operating a pair ofmixer shafts 2l when the motor is used for a food mixer, such food mixer being shown in the drawing merely by way of example.

The food mixer-,is illustrated as having a support-1n: am. for the motor M. the happening.. and Il. um the-motor hem n is provided u bowl of the mixer being shown at 26.

A housing is provided for the motor M comprising a tubular shell 28 and end caps 30 and 32. vWithin the upper end of the shell 28 an annular flange 34 is provided having a series of circumferentially spaced slots 36.' The upper edge of the shell has a plurality of circumferentially spaced notches 3B corresponding to the slots 36.

Trim elements T are provided having longitudinally extending portions 40 and odset ends 42 and 44. These elements are assembled relative to the shell 28 by rst extending the odset ends 44 through the notches 28 and the slots I8 as shown in Figure 4, and then swinging the trim elements T downwardly asin Figure 3. The trim elements are then swung from the full line position to the dotted position of Figure 3, which places them under tension. During such swinging movement, the odset ends 42 enter notches 46 in the lower edge of the shell 2l and the odset ends are then within the outline oi' the shell. Thereupon the cap 20 may be placed in position, while the trim elements T are heldin their dotted position, and will be positioned relative to the shell by the odset ends 42. At the same time the end cap III will retain the trim .elements Tagainst movement from their assembled position.

The odset ends 44 could be similarly held in position by the end cap 32, but it is sometimes desirable to remove this end cap in order toremove the brush retainers 48 of the motor M, so that the brushes I0 thereof can be repaired or replaced. Accordingly we provide the annular flange 34 to retain the odset ends 44 against displacement, and this ange serves to position the end cap 32.

A handle H is provided for supporting the motor and housing assembly by hand. 'I'his handle is secured as by screws v52 and I4 to an extension 5i, and the upper end cap 32 respectively. 'I'he extension 5C is designed for positioning on a pinl Il extending upwardly from the supporting arm' 42 and extends from the lower motor head I l.

'Ihe lower end cap 2l is notched as indicated at Il to provide for the extension il.

The trim elements T enhance the appearance vars of the motor and serve to position the end cap I0,

thus eliminating the necessity of having to proplaced in position and secured by screws 62, which extend into bosses 04 extending from the motor with bosses 66 to receive screws 68 to retain the end cap 32 in position.

Some changes may be made in the construction and arrangement of the parts of our motor and housing assembly without departing from the real spirit and purpose of our invention, and it is our intention to cover by our claims any modified forms of structure or use of mechanical equivalents which-may be reasonably included Within their scope.

We claim as our invention:

1. In a device of the class described, a motor, a shell and end caps constituting a housing therefor and trim elements extending along the exterlor' of said shell and having offset ends extending across the end edges of said shell and to a position Within said end caps.v

2. In a device of the class. described, a motor, a shell and end caps constituting a housing therefor and trim elements extending along the exterior of said shell and having odset ends extending across the end edges of said shell and to a position within said end caps, said shell having its ends notched to receive said odset ends.

3. In a device of the class described, a motor, a housing therefor, said housing including a shell and an end cap and positioning means for said end cap comprising a plurality of elements engaging the exterior of said shell and having odset ends extending over the end edges of the shell, said cap being positioned by said odset ends and means to secure said cap to said motor.

4. In a device of the class described, a motor, a housing therefor, said housing including a shell and an end cap and positioning means for said end cap comprising a plurality of elements engaging the exterior of -said shell and having odset ends, an end of said shell being notched at a plurality of 'circumferentially spaced positions,` one of said odset ends extending through said notches and, having projecting portions engaging the interior of said cap in position it relative to said shell and means for securing said cap to said motor.

5. In an assembly of the character disclosed, a motor, a housing therefor, said housing comprising a tubular shell and end caps and means associated with said shell and end caps to position one of the end caps, said means comprising elongated elements extending along the exterior of said shell and having terminal ends within said end caps.

6. In an assembly of the character disclosed, a motor, a housing therefor. said housing comprising a shell and end caps, one end, of said shell having circumferentially spaced slots and means associated with said shell and end caps to position one of the endcaps, said means comprising elongated elements extending along the exterior of said shell and having terminal ends, some of which extend into said slots and the rest of which extend to a position within one of said end caps.

'7. In an assembly of the character disclosed, a motor, a housing therefor, said housing comprising a shell and end caps and trim elements associated with said shell and end caps, said trim elements extending along the exterior of said shell and having its terminal ends odset and positioned Within said caps.

8. In an assembly of the character disclosed,

a motor, a housing therefor, said housing comrelative to the end of said shell on which said cap is mounted.

9. In a motor and housing assembly, a motor having end heads, a housing therefor comprising a shell and a pair of end caps, and a handle for said motor and housing, one of said motor heads having an extension therefrom, the cap associated with one end of said shell being notched to clear said projection and a pair of fastening elements through said handle, one of said fastening elements being connected with said extension and the other of said fastening elements being connected with the other end cap. A 10. In a motor and housing assembly, a motor and heads thereon, a housing for said motor and end heads comprising a shell and a pair of end caps, a handle for said motor and housing, one of said motor heads having an extension and a pair of fastening elements through said handle, one of said fastening elements being connected with said extension and the other of said fastening elements being-connected with the other end cap.

11. In an assembly of the character disclosed, a motor, a housing therefor, said housing comprising a cylindrical shell and end caps and elongated elements arranged longitudinally along the outside of said shell and spaced circumferentially therearound, said elongated elements having their terminal ends odset and positioned within said caps, said terminal ends being operable to position one of said end caps relative to the end of said shell on which said cap is mounted.

12. In an assembly of the character disclosed, a motor, a housing therefor, said housing cornprising a shell and end caps, one end of said shell having circumferentially spaced slots and trim elements associated with said shell and end caps, said trim elements each having one of its terminal ends extended into said slots and the other of its terminal ends extended to a position within one of said end caps.

13. In a device of the class described, a motor, a shell and an end cap thereon for housing said motor and trim elements extending along the exterior of said shell and having odset ends extending across the end edge of said shell and to a position within said end cap, said shell having said end notched to receive said odset ends.

14. In a device of the class described, a motor, a shell and an end cap for housing said motor and positioning means for said end cap comprising a plurality of elements engaging the exterior of said shell and having odset ends extending over the end edges of the shell, said cap being positioned by said odset ends and serving to retain them in assembled positionand means to secure said cap to said motor.

EUGENE NEWNHAM. WILLIAM H. FISCHER. 

